I build tools for developers and AI agents. Currently a Senior Developer Relations Engineer at Google, where I created googleworkspace/cli — a Rust CLI and MCP server for Google Workspace with 21k+ stars.
Previously: Descartes Labs (petabyte-scale satellite imagery pipelines) and USGS (NASA-funded cropland mapping with ML).
- 🤖 Agent-first tooling — Designing CLIs and MCP servers that work for AI agents, not just humans
- 📦 Open source at scale — Maintaining packages with 12M+ combined weekly npm downloads
- 🦀 Rust — From CLI tools to embedded firmware
- ✍️ Writing — The MCP Abstraction Tax ∙ Rewrite Your CLI for AI Agents ∙ Fiction AST & NER with GLiNER
- Visual search over billions of aerial and satellite images — Computer Vision and Image Understanding, 2020
- Automated cropland mapping of continental Africa — ISPRS Journal, 2017
See my jpoehnelt-bot GitHub profile.







